US1180655A - Projecting moving pictures. - Google Patents

Description

y i-ioiier position and the electric i1 H or near 'the Screen or curtain. Ent in soin his shadow eihninatd hy ii ninina 'in et the incandescent lamps at or near hein non'T che image ignated aa i4- and illuminating tn nre eicii'ijgninhed, then the Screen ndi oniy he ihnminatsfd :from the rays ot' iii it infining` from the projecting' machine and 'the image. on the ihn n'iii, therefore, be clearly shown on `the 'screen in 'the operation of `the projecting machine all that neccsary, therefore, 'to iiinniinate the Screen with a source oi light independent of the source ot light of Jche projecting machine during; the time that a change of picture is made in the projecting machine and 'to cease said iihi mination when the image on the ilni is in its proper position and to produce this resnitj it is only necessary to so adjust the connnutating device that during each revo intion oit the shaft (operati'ieiy reiated to :the moving of the iihn),'the brush com; cts with the conducting part of 'the eonnnntater during; the time of making a Shift trom one innige to the second image and that the brush should connect with the insidating l 'this coininntator during" Vthe time at this image shonld beexposed to View. n the operation of the mach' we5 therefore., have two Sources oi ii inipinging on the screen during the'mov ot' the Alle* 'ture ilinz-one source placed at or near the Screen.. the Second source @inning` :troni the Diojecting machine.; and *we have oniv one onrce ofY iight, that is.. the son ee coming;

from the projecting machine chir 'the time that the picture iihn is station ry.

iersens versed in 'the art weii nnderbiand a" as ieng as 'ti eeil'cnit Yfrom the source nren'b .is made, the lamps lilY 'wiii iight,

seen the circuit ie broken,

n'iii cease.

i have so far described. and iiiustrate 'the sources o extra"illumination piaced a c eee 'the owner ot the honSe may prefethat the source, oi' extra illumination shonici be placedin the saine incl'osni'e that the moving picture mac :ine i5 placed. in this ease, a separate arc may be positioned near the projectint; arc7 or the iight from 'the projecting are may 'ne provided with a second.

lin'oiectinjf n'iovinn f nch in nentranzing the rai/s l1-oni the. n; it-honfie o' ti* l i n'iachine (hiring the time e method oi i5 at rest.

Tim i coneists in projectingr through the picture iihn rays oi iight on the Icreen in'ing the moving; ot yaid iihn as n'eii a5 during the time said [ihn stationary, and nentralizingjY the i' lnit of said raya o1" light with 'the aid of raya oi' iight emanatingfrom sources ot iight stationed ai or'nwn' the screen, dni-ing the time Jdiat said hn is Stationary.

in the art of exhibiting` moving; pictures the method which cons sts in normally illuminating the screen with the rays from two sources of light one. ot said sources stationed at or near the screen and one oi' Said Sources stationed at or near the moving pitnre machine ain antoniaticai[ yY cutting; off the rays "from the Soni-ce ot iight stationed at or near the screen daringthe time 'that the picture fihn is ai; rest. i

4A. in a device oi the. clase i ..-a;riiwd tn'o Soniees 'of iight. normally illuminating; the Screen on which the 'pictnren are to he projected, one source rtatiened at or neaithe picture i'ihn., the 'in-cond source stationed at or near the screen and means7 automatic in their action. to cnt oi'i' the. source oi iight stationed at or near the sci'eem'at predeerinined periods, said mums operativelyr related to the movement of one oi the shafts; of the projecting` machine.

5. in :i device. ot the clase described a screen adapted to yhave projected thereon pictures, two sonree c o .iight ilhnninatingc Said screen, one sonrce of iight stationed at or near Vthe picture. .fihn7 the second source of .iight stationed at or near the screen and automatic means io cnt oiiI the sonrc'e ot iight s ing the time that aid pictnre {ihn ihA at rest. 'A tl. in the operation o" 'movingl pictiii-e nnprovement which conniffe in stationed iight :it or near Said iiim and eiiminai'l owe` dne 'to the nnaqne pinces in ihn through soar-ef; ol light, 'he creen and Htationcd at or near said screen. and adapted to he cnt ofi' at }j)redeterminoi periods.

ievice oi' the clans described a pic ture ihn, means to more the same, a screen adaptei to have the pictnres` projected thereon, a source of iight' wtatiomd at or near said iiim, a second source ol iight she tioned at or near Said screen and means, antoinatic in their action, to cnt oli' the source of iight stationed at the Screen at predetermined periods, said means operanmethod of projecting; moving' picpictures projected thereon, during sources of light, onesourca of light smi-ieg@ at 91' near the picture ilm, one sourcetivey reiued to 'die movabie pai-ts me means to move the ilm.

S. r the art of exhibiting mm' tures he improvement which wir illuminating the screen adapcd ii that the picture film is nioviiig mijn iightl stationed at or near the Screen amil causing the source of light, statixe'i 1 fr: mehr tile Screen, 'to be cut ofi' dui 5?'. n the wrt of @Xhibtiig moving @im "curer

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